Religious Orders in Christianity are groups of people who have committed themselves to live together in community and follow a particular set of traditions and a rule of life; most commonly typified...
the earth is really about 8,000 years old. because an example is the the earths salt adds more and more each year, so if the earth was really 4.5 million years old then there would be no oceans. It...
I believe it's the Benedictines, then Carthusians. Here is a very good resource which lists founding dates for each Order:
http://www.catholic-hierarchy.org/country/xrel.html